# Copyright 2008 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Bootstrap for running a Django app under Google App Engine.

The site-specific code is all in other files: settings.py, urls.py,
models.py, views.py.  And in fact, only 'settings' is referenced here
directly -- everything else is controlled from there.

"""

# Standard Python imports.
import os
import sys
import logging

from os.path import dirname
sys.path.append(dirname(dirname(__file__)))

# Google App Engine imports.
from google.appengine.ext.webapp import util

# Remove the standard version of Django.  
for k in [k for k in sys.modules if k.startswith('django')]:  
    del sys.modules[k]  
   
# Force sys.path to have our own directory first, in case we want to import  
# from it.  
if os.name == 'nt':  
    os.unlink = lambda :None  
   
# Add Django 1.0 archive to the path.  
django_path = 'django.zip'  
sys.path.insert(0, django_path)  



# Must set this env var *before* importing any part of Django  
os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'  

from django.conf import settings  
sys.modules[settings.__module__].__file__ = os.path.join(
   os.path.dirname(settings.LOCALE_PATHS[0]), '__init__.py'  
)

#from appengine_django import InstallAppengineHelperForDjango
#InstallAppengineHelperForDjango()
# Import the part of Django that we use here.
import django.core.handlers.wsgi
import django.core.signals
import django.db
import django.dispatch.dispatcher


def log_exception(*args, **kwds):
    logging.exception('Exception in request:')
    # Log errors
    django.dispatch.dispatcher.connect(log_exception, django.core.signals.got_request_exception)
    # Unregister the rollback event handler.
    django.dispatch.dispatcher.disconnect(django.db._rollback_on_exception, django.core.signals.got_request_exception)

def main():
    if django_path not in sys.path:
        sys.path.insert(0, django_path)
    # Create a Django application for WSGI.
    application = django.core.handlers.wsgi.WSGIHandler()

    # Run the WSGI CGI handler with that application.
    util.run_wsgi_app(application)

if __name__ == '__main__':
    main()
